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Magma
magma: G := TransitiveGroup(16, 42);
Group action invariants
Degree $n$: | $16$ | magma: t, n := TransitiveGroupIdentification(G); n;
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Transitive number $t$: | $42$ | magma: t, n := TransitiveGroupIdentification(G); t;
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Group: | $C_4\wr C_2$ | ||
Parity: | $1$ | magma: IsEven(G);
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Primitive: | no | magma: IsPrimitive(G);
| magma: NilpotencyClass(G);
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$\card{\Aut(F/K)}$: | $8$ | magma: Order(Centralizer(SymmetricGroup(n), G));
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Generators: | (1,3,5,15)(2,4,6,16)(7,8)(9,10)(11,12)(13,14), (1,10)(2,9)(3,12)(4,11)(5,14)(6,13)(7,16)(8,15) | magma: Generators(G);
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Low degree resolvents
|G/N| Galois groups for stem field(s) $2$: $C_2$ x 3 $4$: $C_4$ x 2, $C_2^2$ $8$: $D_{4}$ x 2, $C_4\times C_2$ $16$: $C_2^2:C_4$ Resolvents shown for degrees $\leq 47$
Subfields
Degree 2: $C_2$ x 3
Degree 4: $C_2^2$, $D_{4}$ x 2
Degree 8: $D_4$, $C_4\wr C_2$ x 2
Low degree siblings
8T17 x 2, 16T28, 32T14Siblings are shown with degree $\leq 47$
A number field with this Galois group has no arithmetically equivalent fields.
Conjugacy classes
Label | Cycle Type | Size | Order | Representative |
$1^{16}$ | $1$ | $1$ | $()$ | |
$2^{4},1^{8}$ | $2$ | $2$ | $( 7,11)( 8,12)( 9,13)(10,14)$ | |
$4^{2},2^{4}$ | $2$ | $4$ | $( 1, 2)( 3, 4)( 5, 6)( 7, 9,11,13)( 8,10,12,14)(15,16)$ | |
$4^{2},2^{4}$ | $2$ | $4$ | $( 1, 2)( 3, 4)( 5, 6)( 7,13,11, 9)( 8,14,12,10)(15,16)$ | |
$4^{2},2^{4}$ | $2$ | $4$ | $( 1, 3, 5,15)( 2, 4, 6,16)( 7,12)( 8,11)( 9,14)(10,13)$ | |
$4^{4}$ | $1$ | $4$ | $( 1, 4, 5,16)( 2, 3, 6,15)( 7,10,11,14)( 8, 9,12,13)$ | |
$4^{4}$ | $2$ | $4$ | $( 1, 4, 5,16)( 2, 3, 6,15)( 7,14,11,10)( 8,13,12, 9)$ | |
$2^{8}$ | $1$ | $2$ | $( 1, 5)( 2, 6)( 3,15)( 4,16)( 7,11)( 8,12)( 9,13)(10,14)$ | |
$4^{2},2^{4}$ | $2$ | $4$ | $( 1, 6)( 2, 5)( 3,16)( 4,15)( 7,13,11, 9)( 8,14,12,10)$ | |
$2^{8}$ | $4$ | $2$ | $( 1, 7)( 2, 8)( 3, 9)( 4,10)( 5,11)( 6,12)(13,15)(14,16)$ | |
$4^{4}$ | $4$ | $4$ | $( 1, 7, 5,11)( 2, 8, 6,12)( 3, 9,15,13)( 4,10,16,14)$ | |
$8^{2}$ | $4$ | $8$ | $( 1, 8, 4, 9, 5,12,16,13)( 2, 7, 3,10, 6,11,15,14)$ | |
$8^{2}$ | $4$ | $8$ | $( 1, 8,16,13, 5,12, 4, 9)( 2, 7,15,14, 6,11, 3,10)$ | |
$4^{4}$ | $1$ | $4$ | $( 1,16, 5, 4)( 2,15, 6, 3)( 7,14,11,10)( 8,13,12, 9)$ |
magma: ConjugacyClasses(G);
Group invariants
Order: | $32=2^{5}$ | magma: Order(G);
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Cyclic: | no | magma: IsCyclic(G);
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Abelian: | no | magma: IsAbelian(G);
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Solvable: | yes | magma: IsSolvable(G);
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Nilpotency class: | $3$ | ||
Label: | 32.11 | magma: IdentifyGroup(G);
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Character table: |
1A | 2A | 2B | 2C | 4A1 | 4A-1 | 4B | 4C1 | 4C-1 | 4D1 | 4D-1 | 4E | 8A1 | 8A-1 | ||
Size | 1 | 1 | 2 | 4 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 4 | 4 | 4 | |
2 P | 1A | 1A | 1A | 1A | 2A | 2A | 2B | 2B | 2A | 2B | 2B | 2A | 4A1 | 4A-1 | |
Type | |||||||||||||||
32.11.1a | R | ||||||||||||||
32.11.1b | R | ||||||||||||||
32.11.1c | R | ||||||||||||||
32.11.1d | R | ||||||||||||||
32.11.1e1 | C | ||||||||||||||
32.11.1e2 | C | ||||||||||||||
32.11.1f1 | C | ||||||||||||||
32.11.1f2 | C | ||||||||||||||
32.11.2a | R | ||||||||||||||
32.11.2b | R | ||||||||||||||
32.11.2c1 | C | ||||||||||||||
32.11.2c2 | C | ||||||||||||||
32.11.2d1 | C | ||||||||||||||
32.11.2d2 | C |
magma: CharacterTable(G);